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  • Book Overview & Buying Cocos2d-x cookbook
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Cocos2d-x cookbook

Cocos2d-x cookbook

By : Akihiro Matsuura
4.6 (5)
Buy this Book
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Cocos2d-x cookbook

Cocos2d-x cookbook

4.6 (5)
By: Akihiro Matsuura
Buy this Book

Overview of this book

Cocos2d-x is a suite of open source, cross-platform game-development tools used by thousands of developers all over the world. Cocos2d-x is a game framework written in C++, with a thin platform-dependent layer. Completely written in C++, the core engine has the smallest footprint and the fastest speed of any other game engine, and is optimized to be run on all kinds of devices. You will begin with the initial setup and installation of Cocos2d before moving on to the fundamentals needed to create a new project. You will then explore and create the sprites, animations, and actions that you will include in the game. Next you will look at strings and create labels, including a label with True Type Font (TTF) font support. Later, you will learn about layer and scene creation and transition. Then you will create the GUI parts essential for a game, such as buttons and switches. After that, you will breathe life into the game with background music and sound effects using the all new Cocos2d-x audio engine. You will then discover how to manage resource files and implement processes that depend on the operating system. Finally, you will polish your game with physics such as gravity and elevation, learn about tools that will help you make games more robust and stable, and get to know best practices to improve the game you have developed.
Table of Contents (13 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Sections
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Conventions
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Reader feedback
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Customer support
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1
1. Getting Started with Cocos2d-x
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1. Getting Started with Cocos2d-x
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Introduction
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Setting up our Android Environment
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Installing Cocos2d-x
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Using the Cocos command
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Building the project using Xcode
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Building the project using Eclipse
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Implementing multi-resolution support
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Preparing your original game
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2. Creating Sprites
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2. Creating Sprites
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Introduction
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Creating sprites
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Getting the sprite's position and size
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Manipulating sprites
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Creating animations
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Creating actions
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Controlling actions
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Calling functions with actions
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Easing actions
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Using a texture atlas
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Using a batch node
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Using 3D modals
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Detecting collisions
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Drawing a shape
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3. Working with Labels
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3. Working with Labels
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Creating system font labels
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Creating true type font labels
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Creating bitmap font labels
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Creating rich text
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4. Building Scenes and Layers
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4. Building Scenes and Layers
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Introduction
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Creating scenes
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Transitioning between scenes
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Transitioning scenes with effects
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Making original transitions for replacing scenes
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Making original transitions for popping scenes
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Creating layers
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Creating modal layers
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5. Creating GUIs
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5. Creating GUIs
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Introduction
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Creating menus
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Creating buttons
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Creating checkboxes
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Creating loading bars
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Creating sliders
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Creating text fields
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Creating scroll views
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Creating page views
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Creating list views
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6. Playing Sounds
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6. Playing Sounds
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Playing background music
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Playing a sound effect
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Controlling volume, pitch, and balance
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Pausing and resuming background music
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Pausing and resuming sound effects
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Playing background music and a sound effect by using AudioEngine
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Playing movies
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7. Working with Resource Files
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7. Working with Resource Files
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Selecting resource files
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Managing resource files
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Using SQLite
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Using .xml files
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Using .plist files
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Using .json files
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8. Working with Hardware
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8. Working with Hardware
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Introduction
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Using native code
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Changing the processing using the platform
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Using the acceleration sensor
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Keeping the screen on
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Getting dpi
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Getting the maximum texture size
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9. Controlling Physics
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9. Controlling Physics
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Introduction
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Using the physics engine
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Detecting collisions
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Using joints
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Changing gravity by using the acceleration sensor
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10. Improving Games with Extra Features
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10. Improving Games with Extra Features
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Introduction
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Using Texture Packer
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Using Tiled Map Editor
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Getting the property of the object in the tiled map
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Using Physics Editor
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Using Glyph Designer
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11. Taking Advantages
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11. Taking Advantages
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Introduction
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Using encrypted sprite sheets
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Using encrypted zip files
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Using encrypted SQLite files
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Creating Observer Pattern
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Networking with HTTP
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Index
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Index

Using the Cocos command

The next step is using the cocos command. It is a cross-platform tool with which you can create a new project, build it, run it, and deploy it. The cocos command works for all Cocos2d-x supported platforms and you don't need to use an IDE if you don't want to. In this recipe, we take a look at this command and explain how to use it.

How to do it...

  1. You can use the cocos command help by executing it with the --help parameter, as follows:
    $ cocos --help
  2. We then move on to generating our new project:

    First, we create a new Cocos2d-x project with the cocos new command, as shown here: 

    $ cocos new MyGame -p com.example.mygame -l cpp -d ~/Documents/

    The result of this command is shown the following screenshot:

    How to do it...

    Behind the new parameter is the project name. The other parameters that are mentioned denote the following:

    • MyGame is the name of your project.
    • -p is the package name for Android. This is the application ID in the Google Play store. So, you should use the reverse domain name as the unique name.
    • -l is the programming language used for the project. You should use cpp because we will use C++ in this book.
    • -d is the location in which to generate the new project. This time, we generate it in the user's documents directory.

    You can look up these variables using the following command:

    $ cocos new —help

    Congratulations, you can generate your new project. The next step is to build and run using the cocos command.

  3. Compiling the project:

    If you want to build and run for iOS, you need to execute the following command:

    $ cocos run -s ~/Documents/MyGame -p ios

    The parameters that are mentioned are explained as follows:

    • -s is the directory of the project. This could be an absolute path or a relative path.
    • -p denotes which platform to run on. If you want to run on Android you use -p android. The available options are IOS, Android, Win32, Mac, and Linux.
    • You can run cocos run –help for more detailed information.

    The result of this command is shown in the following screenshot:

    How to do it...
  4. You can now build and run iOS applications on cocos2d-x. However, you have to wait for a long time if this is your first time building an iOS application. It takes a long time to build a Cocos2d-x library, depending on if it was a clean build or a first build.
    How to do it...

How it works...

The cocos command can create a new project and build it. You should use the cocos command if you want to create a new project. Of course, you can build using Xcode or Eclipse. You can easily develop and debug using these tools.

There's more...

The cocos run command has other parameters. They are the following:

  • --portrait will set the project as a portrait. This command has no argument.
  • --ios-bundleid will set the bundle ID for the iOS project. However, it is not difficult to set it later.

The cocos command also includes some other commands, which are as follows:

  • The compile command: This command is used to build a project. The following patterns are useful parameters. You can see all parameters and options if you execute the cocos compile [–h] command:
    cocos compile [-h] [-s SRC_DIR] [-q] [-p PLATFORM] [-m MODE]
  • The deploy command: This command only takes effect when the target platform is Android. It will re-install the specified project to the android device or simulator:
    cocos deploy [-h] [-s SRC_DIR] [-q] [-p PLATFORM] [-m MODE]

    Tip

    The run command continues to compile and deploy commands.

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